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Old 20-08-2012, 16:31   #1
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Clamp-on DC Multimeter

So, I'm back home and the boat, with my nice clamp-on DC multimeter aboard, is in Panama. Sure is frustrating working with the lesser meters I have here at the house.

I'm Looking to buy another good clamp-on DC multimeter (which will do clamp-on DC AMPs up to at least 100AMPs). The meter I have on the boat is Extech EX730 (rated to about 800A, but I don't need that kind of juice).

I really like the EX730, but I know there are some less expensive meters on the market. The EX730 is about $170US and I would prefer to spend no more than that, less would be even better, provided it is still a good meter.

Looking for suggestions from those with hands-on experience with meters they really like.
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Old 20-08-2012, 16:39   #2
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Re: Clamp-on DC Multimeter

Mastech MS-2108. Good for 600amps, true RMS, AC/DC, in-rush current, etc., etc. A very beautiful meter for the price. I have two, and have bought five others for friends and clients.

Often use the Mastech instead of my top-of-the line Fluke 337.

You can find it on eBay, new, from a US supplier (important) for about $70.

Bill
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Old 20-08-2012, 16:45   #3
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Re: Clamp-on DC Multimeter

Bill
I see them on Amazon for $45. What's the issue with US supplier? Is it just shipping issues or the actual product?
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Old 20-08-2012, 16:49   #4
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Re: Clamp-on DC Multimeter

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Originally Posted by Paul L View Post
Bill
I see them on Amazon for $45. What's the issue with US supplier? Is it just shipping issues or the actual product?
Paul,

That's probably the MS-2108A.....not the same meter.

The MS-2108 is $79 at Amazon. There's a California seller who has it for $66 and change, with free shipping.

Bill
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Old 20-08-2012, 16:55   #5
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Re: Clamp-on DC Multimeter

Thanks all.

I have a clamp-on that only measures AC amps.
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Old 20-08-2012, 17:08   #6
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Re: Clamp-on DC Multimeter

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Thanks all.

I have a clamp-on that only measures AC amps.
I have one of those too. Want to trade?
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Old 20-08-2012, 17:41   #7
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Re: Clamp-on DC Multimeter

Thanks much. Will check it out.
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Old 20-08-2012, 17:46   #8
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Re: Clamp-on DC Multimeter

Check out Radio Shack I got mine it was $59. Does DC & AC amps frequency etc.
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Old 20-08-2012, 17:46   #9
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Re: Clamp-on DC Multimeter

These often sell at Canadian Tire, for $19.95. Not a Fluke, but wouldn't be without one, at that price.
Inexpensive 400A DC Clamp meter - Flyinglow
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Old 20-08-2012, 18:10   #10
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Re: Clamp-on DC Multimeter

So, looks like the big difference between the MS-2108 and the MS-2108A is that the "A" is an "averaging" meter not a true RMS. Correct?
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Old 20-08-2012, 19:30   #11
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Re: Clamp-on DC Multimeter

Craftsman Digital Clamp-On Ammeter - Tools - Electricians Tools - Multi-Meters & Meters

I have this Craftsman meter, and I have no complaints.
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Old 20-08-2012, 19:40   #12
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Re: Clamp-on DC Multimeter

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Originally Posted by belizesailor View Post
So, looks like the big difference between the MS-2108 and the MS-2108A is that the "A" is an "averaging" meter not a true RMS. Correct?
The 2108 is a true RMS meter, has in-rush reading capability, measures up to 660 amps AC or DC, up to 600 volts AC or DC.

The 2108A is an averaging meter, no in-rush capability, measures to 400 amps AC or DC, up to 750 volts AC and 1000 volts DC.

IMHO, the 2108 is more useful for marine applications, and for $20 more, why not?

Bill
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Old 20-08-2012, 19:57   #13
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Re: Clamp-on DC Multimeter

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...
IMHO, the 2108 is more useful for marine applications, and for $20 more, why not?

Absolutely, just making sure I understand the diff between the two.

I spent a little quality time today with an el cheapo averaging meter getting obviously inaccurate readings and that's why I am shopping for a better meter to use at the house.

Thanks much.
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Old 21-08-2012, 12:23   #14
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Re: Clamp-on DC Multimeter

Woo! Woo! Just purchased one on eBay for $66.58, free shipping, top rated seller, shipped from USA inventory.

Mastech MS2108 Digital 600A Clamp on True RMS Meter Multimeter 6934920321089 | eBay
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Old 21-08-2012, 14:01   #15
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Re: Clamp-on DC Multimeter

Congratulations!

Let me know how you like it.

Bill
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